Megan Fox has cited "irreconcilable differences" on divorce forms obtained by TMZ as the actress ends her marriage to husband Brian Austin Green after 11 years together. The couple's assets accumulated since they tied the knot in 2010 will likely be split in the absence of a prenuptial agreement. Said to be an amicable breakup, Megan is reportedly looking to secure joint custody.

Of the split, a source told Us Weekly: "Megan has separated from Brian. They decided on it six months ago."

Another source close to the couple said that "things have been rocky" between them for a while. The pair, who are parents to two-year-old Noah and 18-month-old Bodhi, have not been pictured together since June 9, when they were seen eating lunch in Beverly Hills.

It is reported that Megan's busy film career has been a factor in their split, with the actress spending the summer away from home filming Teenage Mutant Ninja Turtles 2 while Brian looks after their sons.

"They fight about her career," a source told the magazine. "She was obsessed with getting roles. She has gone off and done her own thing recently."

Megan and Brian first began dating in 2004 after meeting on the set of series Hope and Faith. The actress, who was 18 at the time, said she felt an instant attraction to Brian and the pair soon became an item.

Megan has been busy filming Teenage Mutant Ninja Turtles 2

Despite getting engaged in 2006, the pair called off their engagement in 2009 with Brian saying: "Marriage isn't a realistic goal for someone who is 23."

The couple rekindled their relationship and Brian proposed again in June 2010, with the pair getting wed just 24 days later. "I've never been more sure of anything in my life," Brian said after their wedding. "It was the absolute perfect start to what we hope will be an amazing life together."

Megan was similarly outspoken of their love, telling the Daily Mail in October 2014: "I love our family – I have a little football team that's going to take care of me."

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